def memb_opt : Operand<i32> {
let PrintMethod = "printMemBOption";
let ParserMatchClass = MemBarrierOptOperand;
+ let DecoderMethod = "DecodeMemBarrierOption";
}
// memory barriers protect the atomic sequences
uint64_t Address, const void *Decoder);
static bool DecodeAddrMode3Offset(llvm::MCInst &Inst, unsigned Insn,
uint64_t Address, const void *Decoder);
+static bool DecodeMemBarrierOption(llvm::MCInst &Inst, unsigned Insn,
+ uint64_t Address, const void *Decoder);
static bool DecodeThumbAddSpecialReg(llvm::MCInst &Inst, uint16_t Insn,
}
unsigned imm = fieldFromInstruction32(Insn, 0, 4);
- Inst.addOperand(MCOperand::CreateImm(imm));
- return true;
+ return DecodeMemBarrierOption(Inst, imm, Address, Decoder);
}
unsigned brtarget = fieldFromInstruction32(Insn, 0, 11) << 1;
return true;
}
+
+static bool DecodeMemBarrierOption(llvm::MCInst &Inst, unsigned Val,
+ uint64_t Address, const void *Decoder) {
+ switch (Val) {
+ default:
+ return false;
+ case 0xF: // SY
+ case 0xE: // ST
+ case 0xB: // ISH
+ case 0xA: // ISHST
+ case 0x7: // NSH
+ case 0x6: // NSHST
+ case 0x3: // OSH
+ case 0x2: // OSHST
+ break;
+ }
+
+ Inst.addOperand(MCOperand::CreateImm(Val));
+ return true;
+}
+
# RUN: llvm-mc --disassemble %s -triple=thumb-apple-darwin9 |& grep {invalid instruction encoding}
-# XFAIL: *
# Opcode=1908 Name=t2DMB Format=ARM_FORMAT_THUMBFRM(25)
-# 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
+# 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
# -------------------------------------------------------------------------------------------------
# | 1: 1: 1: 1| 0: 0: 1: 1| 1: 0: 1: 1| 1: 1: 1: 1| 1: 0: 0: 0| 1: 1: 1: 1| 0: 1: 0: 1| 0: 0: 0: 1|
# -------------------------------------------------------------------------------------------------
-#
+#
# Inst{3-0} encodes the option: SY, ST, ISH, ISHST, NSH, NSHST, OSH, OSHST.
# Reject invalid encodings.
#
# RUN: llvm-mc --disassemble %s -triple=arm-apple-darwin9 |& grep {invalid instruction encoding}
-# XFAIL: *
# Opcode=102 Name=DSB Format=ARM_FORMAT_MISCFRM(26)
-# 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
+# 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
# -------------------------------------------------------------------------------------------------
# | 1: 1: 1: 1| 0: 1: 0: 1| 0: 1: 1: 1| 1: 1: 1: 1| 1: 1: 1: 1| 0: 0: 0: 0| 0: 1: 0: 0| 0: 0: 0: 0|
# -------------------------------------------------------------------------------------------------
-#
+#
# Inst{3-0} encodes the option: SY, ST, ISH, ISHST, NSH, NSHST, OSH, OSHST.
# Reject invalid encodings.
#
# RUN: llvm-mc --disassemble %s -triple=thumb-apple-darwin9 |& grep {invalid instruction encoding}
-# XFAIL: *
# Opcode=1894 Name=t2Bcc Format=ARM_FORMAT_THUMBFRM(25)
-# 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
+# 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
# -------------------------------------------------------------------------------------------------
# | 1: 1: 1: 1| 0: 1: 1: 1| 1: 0: 1: 0| 1: 1: 1: 1| 1: 0: 0: 0| 1: 0: 1: 1| 0: 1: 0: 0| 0: 1: 0: 0|
# -------------------------------------------------------------------------------------------------
-#
+#
# A8.6.16 B
# if cond<3:1> == '111' then SEE "Related Encodings"
0xaf 0xf7 0x44 0x8b